From: Gene Tani <gene.tani@...>
Date: 2005-10-11T05:16:52+09:00
Subject: Re: Method added hook

oops, I was just repeating what ES said.  Maybe some combination of
freeze and making your class un-subclassable and your method
un-sendable, so that your privates don't get turned public.

> I can always override dup to freeze the duplicated object. Is it right?
> can I break other things in the Ruby library?
>
> > Besides, you can dup a frozen object and alter it (but clone gives you
> > a still frozen object)
> >
> > class Foo
> >     def bar
> > 	print "bar"
> >     end
> > end
> >
> > Foo.freeze
> > Foo2=Foo.dup
> >
> > class Foo2
> >     def Foo2.bar
> > 	print "bar in Foo2"
> >     end
> > end
> > p Foo2.bar
> >
> > >
> > > I've tried it, but there is no unfreeze method :S. And I need to be
> > > able to halt the redefinition SOME TIMES and some times NOT.